79599994 has 8 divisors (see below), whose sum is σ = 119825748. Its totient is φ = 39658080.

The previous prime is 79599991. The next prime is 79600013. The reversal of 79599994 is 49999597.

It can be written as a sum of positive squares in 2 ways, for example, as 73324969 + 6275025 = 8563^2 + 2505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (79599991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70257 + ... + 71380.

Almost surely, 2^79599994 is an apocalyptic number.

79599994 is a deficient number, since it is larger than the sum of its proper divisors (40225754).

79599994 is a wasteful number, since it uses less digits than its factorization.

79599994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141920.

The product of its digits is 8266860, while the sum is 61.

The square root of 79599994 is about 8921.8828730263. The cubic root of 79599994 is about 430.1675820574.

The spelling of 79599994 in words is "seventy-nine million, five hundred ninety-nine thousand, nine hundred ninety-four".